package com.yuyu.qingmangmall.product.config;

import com.alibaba.fastjson.support.spring.GenericFastJsonRedisSerializer;
import org.springframework.boot.autoconfigure.cache.CacheProperties;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheConfiguration;
import org.springframework.data.redis.serializer.RedisSerializationContext;
import org.springframework.data.redis.serializer.StringRedisSerializer;

@EnableConfigurationProperties({CacheProperties.class})
@EnableCaching
@Configuration
public class MyCacheConfig {

//    @Autowired
//    CacheProperties cacheProperties;

    /**
     * 配置文件的内容未生效
     *  1.原来和配置文件绑定的配置类是这样子的
     *      @ConfigurationProperties(prefix = "spring.cache")
     *      public class CacheProperties {
     *  2. 要让他生效
     * @param cacheProperties
     * @return
     */
    @Bean
    public RedisCacheConfiguration redisCacheConfiguration (CacheProperties cacheProperties) {

        CacheProperties.Redis redisProperties = cacheProperties.getRedis();
        RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig();

//        config = config.entryTtl();
        config = config.serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(new StringRedisSerializer()));
        config = config.serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(new GenericFastJsonRedisSerializer()));

        // 将配置文件的所有配置都生效
        if (redisProperties.getTimeToLive() != null) {
            config = config.entryTtl(redisProperties.getTimeToLive());
        }
        if (redisProperties.getKeyPrefix() != null) {
            config = config.prefixCacheNameWith(redisProperties.getKeyPrefix());
        }
        if (!redisProperties.isCacheNullValues()) {
            config = config.disableCachingNullValues();
        }
        if (!redisProperties.isUseKeyPrefix()) {
            config = config.disableKeyPrefix();
        }
        return config;
    }
}
